21334430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5659}}^1$

素因数の和:5708

約数の個数: 32

約数和(自身を含む): 42789600

約数和(自身を除く): 21455170

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5659, 11318, 28295, 56590, 73567, 147134, 164111, 328222, 367835, 735670, 820555, 1641110, 2133443, 4266886, 10667215, 21334430]

約数ペア:

[(1, 21334430), (2, 10667215), (5, 4266886), (10, 2133443), (13, 1641110), (26, 820555), (29, 735670), (58, 367835), (65, 328222), (130, 164111), (145, 147134), (290, 73567), (377, 56590), (754, 28295), (1885, 11318), (3770, 5659)]